Liquid-sample device.



c. A. H UMP-HREYS. LIQUID SAMPLE DEVICE. APPLICATION FILED MAR. I9, I9I4.

Patented Mar. 7, 1916.

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CHARLES A. HUMPIIBEYS, or ERIE, PENNSYLVANIA, AssIGNoR To PITfisBnieGH FILTER, MFG. co., sYLvANIA.'

Specification of Letters Patent.

or rirrsisunen, PENNSYLVANIA, 'a oonronairIoN.ory PENN- LIQUID-smarts nnvicii,Y

Patented Mar. a, freie.

Appiicatioii flied March 1e, isi/i. sei-iai No. 825,913.

To. @ZZ whom z' may concern: f v

vBe it known that I, CHARLES A. HUM- mmnfs, a citizen ofv the United States, and

resident of Erie, in the county of Erie and YState of Pennsylvania, have invented a new and useful Improvement in Liquid-Sample Devices; and I do hereby declare the follow.

ing to be a fu'llyclear, and exact description thereof.

My invention relatesto apparatus-for ob-v taining samples ofr liquid and Vis particu, larly, though not exclusively, adapted fortaking liquid samples from the effluent pipe of a filter.

The object of theinvention istoprovide,

convenient `means whereby a sample maybe taken at any time bythe operatorstanding at convenient location, for example, on the Y working gallery Vof the filterv plant. LIt is to be understood, however, that the`r` inventive idea may be applied to other uses.. Y Y

This invention covers an .improvement on the apparatus shown in my co-pending application, Serial `Number 683299, filed March 12th, 1912. 1

In the drawings which illustrate a preferred embodiment of the invention, Figure V1 is a `fragmentary sectional view showing the position of the parts when the device is not in use. Fig. 2 is a complete sectional view, showing the parts in position for filling the sample globe or receptacle.V Fig. 3

a view similar to Fig. 1, showing the partsin position to deliver the liquid sample. Fig. 4 kis a view showing the apparatus in conjunction with a filter, and Fig. 5 is a horizontal sectional view of the valveV or cock plug for operating the device.

In the embodiment of the invention herein `selected for illustration, and referring particularly to Fig. 4, 1 indicates a filter chamber having the effluent pipe 2 and the cut-ofil valve 3 operable in the usual manner. From the efliuent pipe a sampling pipe 4 extends upward through a Hoor 5 tothe working gallery of the plant, and to the samplingY device which is conveniently mounted on aA stand G. VThe sampling pipe enters a valve or cock-head 7, provided withthe rotatable plug S having a handle 9. Also leading Vup through the stand 6 is a pipe 10 which may beY connected with aV convenient vacuum pump. usual spout. 11.

Ak cock-plug is provided with a passage a drip The cock-head is provided4 with the 12,a second passage 13 and aleak passage,

14, as indicated -in Figs. `1, 2, 8, andv 5. A

valve head is provided with a passage 15 communicating with the sample pipe 4, and a second passage. 16 communicating with kthe `vacuum pipe 10. `At the upper end of thefvalve head is a, passage 17 arranged to registenwith the passages in the cock-plug when the latter Yis turned into certain posiV tions, andals'o with aloassage'lv which coni-` municates with th'ejexhaust pipe 19 leading jup `into the sanipleglobe or receptacle 20 ,mounted uponl the Valve head. This globe may beof glass so thatthe height of the liquid'therein-may be observed, Vand also soV that the liquidmay be sighted to determine its clarity, In the stand 6 is also mounted pipe 22.`

-. henthe vdevice is not .in operation', ythe cock-'plug stands intheposition 4shown in Fig., 1,; wherein all i offthe passages therein are out of communication with thepassages ofthe valve,V head. In order to secure ,a

^ sample, the cock-plug is turned in the `pofsi,

- extends almost to the top of the globe. In

this position of the parts, the water or other liquid from the effluent pipe y2 will be drawn up by suction through the pipe 4 andy into the globe 20 .until it fills the globe to the level of the'top of the pipe 19. The cock may then be turned to the position shown in Fig. 3, whereby passage "13 connects the passage 17, communicating with the globe, with thek spout 11 and theV leak passage 14 is brought into. communication withthe valve head passage 18 leading tothe'exliaust pipe 19 within the global bviously, therefore, the water drawn up into `the globe Vas before described, may flowl from the globe 20 out 4through the spout 11, thewwater being replaced Vby airpassing up through the leak, passage 14 and the pipe'19. At-the same pan 21'c0mmunicating with awaste f time, the vacuum connection is entirely shutoff as willr be seen from Fig. 3. It will be Vseen therefore that'so 10110r as water flows -in the eliiuent pipe 2 from the filter o r other"y x may be at all times'in operative cond-itionby connecting the pipe 10 with a constant Y vacuum source.

lVhile I have herein described a particular/embodiment of the invention, it is to be understood that it may be altered in details and in arrangement of parts Within the scope of the appended Claims.

That I clairn is:

l. A liquid samplingdevice comprising a valve head having aY passage communicating with ak source of liquid, al second passage communicating with a 'source of vacuum, va

e sample receptacle mounted upon vsaidfval've head, a passage in saidv head communicatingwith the bottomv of said receptacle, a

secondk passage coini'nunic'ati-ngV vvithl Vthe top of said receptacle, ksaid valve headv having av spout, a rotatable cock having a plurality yof transverse'passages and have ving a leak passage constantly open to "the atmosphere, saidl Vpassages being sol relatively arranged that upon turning the cock toU `proper positions,y the v liquid kand vacuum'pipes maybe entirely shut oI",

or the'.liquid`supply pipe may be brought into communication with the bottom yof the receptacle and the vacuum pipevith the topl of the receptacle, and finally whereby the bottom of the receptacle may-be brought into communication With the spout and thetop 'of the receptacle may be'brought into coinmunication With the atmosphere.

2. In a liquid sampling device, the combination with a source of liquid having anl effluent pipe, an operators stand conven- 4 iently located vvith respect to said liquid source, a valve head mounted on said stand, av liquid sampling receptacle mounted on said valve head, a pipe connecting said valve Y head and source offliquid, a second pipe con- 4 necting said lvalve headand a source of vacuum, ay cock rotatably mounted in said valve head and provided with passages so arranged that the lower and upper ends of said sample receptacle may simultaneously 5 be ybrought into communication With said liquid source and said vacuum ypipe respectively, gand upon turning saidv cock, the bottom of said sample receptacley and the top thereof may be brought respectively, simul- 5 taneously into communication with a discharge'spout and the atmosphere. f

.Inftestimony whereof, I the said CHARLES y A. HuM'PHIiEYs have hereunto set my hand.

CHARLES A. HUMPHREYS.

` Witnesses v JOHN F. WILL, J KELLER.

Copiesof' this patent may be obtained fior five cents each, by addressing the Commissioner of *'Patents,

' Washington, '1). C. 

